Coupled hidden markov models for user activity in social networks.
Vasanthan RaghavanGreg Ver SteegAram GalstyanAlexander G. TartakovskyPublished in: ICME Workshops (2013)
Keyphrases
- hidden markov models
- user activity
- social networks
- online social networks
- user activities
- social media
- user behavior
- speech recognition
- hidden state
- viterbi algorithm
- conditional random fields
- sequential data
- continuous hidden markov models
- random effects
- sequence classification
- markov models
- network structure
- baum welch
- hidden states
- discriminative training
- activity recognition
- handwritten text recognition
- active learning